/* ===========================================================
   Squeezio — Design tokens
   Palette: deep charcoal-navy base, teal/violet gradient accent
   Type: Space Grotesk (display) + Inter (body) + JetBrains Mono (data)
   =========================================================== */
:root{
  --bg:#0D1117;
  --bg-alt:#0A0E14;
  --surface:#151B23;
  --surface-2:#1B2330;
  --border:#2A313C;
  --text:#E6EDF3;
  --text-muted:#8B98A5;
  --text-faint:#5B6572;
  --accent:#5EEAD4;
  --accent-2:#A78BFA;
  --accent-grad: linear-gradient(135deg,#5EEAD4 0%,#A78BFA 100%);
  --success:#4ADE80;
  --danger:#F87171;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;
  --shadow-lift: 0 8px 30px rgba(0,0,0,.35);
  --header-h:72px;
  --side-ad-w:160px;
  --content-max:1180px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Space Grotesk',system-ui,sans-serif;
  line-height:1.15;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
h1{font-size:clamp(2rem,4.5vw,3.4rem);font-weight:700;}
h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:600;}
h3{font-size:1.2rem;font-weight:600;}
p{color:var(--text-muted);}
a{color:var(--accent);text-decoration:none;}
a:hover{text-decoration:underline;}
code,.mono{font-family:'JetBrains Mono',monospace;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important;transition-duration:0.001ms !important;}
}

.container{max-width:var(--content-max);margin:0 auto;padding:0 20px;}

/* ---------------- Layout shell (room reserved for fixed side ads) ---------------- */
.page-shell{
  padding-left:0;
  padding-right:0;
}
@media (min-width:1400px){
  .page-shell{padding-left:var(--side-ad-w);padding-right:var(--side-ad-w);}
}

/* ---------------- Header / Nav ---------------- */
.site-header{
  position:sticky;top:0;z-index:40;
  height:var(--header-h);
  display:flex;align-items:center;
  background:rgba(13,17,23,.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;width:100%;}
.brand{display:flex;align-items:center;gap:10px;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.25rem;color:var(--text);}
.brand img{width:34px;height:34px;}
.brand span.accent{background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.main-nav{display:flex;align-items:center;gap:28px;}
.main-nav a{color:var(--text-muted);font-weight:500;font-size:.95rem;}
.main-nav a:hover, .main-nav a.active{color:var(--text);text-decoration:none;}
.nav-cta{
  background:var(--accent-grad);color:#0A0E14 !important;font-weight:600;
  padding:9px 18px;border-radius:999px;font-size:.9rem !important;
}
.nav-cta:hover{opacity:.9;text-decoration:none !important;}
.nav-toggle{display:none;background:none;border:1px solid var(--border);border-radius:8px;padding:8px;color:var(--text);}
.nav-toggle svg{width:22px;height:22px;display:block;}

@media (max-width:860px){
  .main-nav{
    position:fixed;inset:var(--header-h) 0 0 0;
    background:var(--bg);
    flex-direction:column;align-items:flex-start;
    padding:24px 24px;gap:6px;
    transform:translateX(100%);
    transition:transform .25s ease;
    overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav a{width:100%;padding:14px 4px;border-bottom:1px solid var(--border);font-size:1.05rem;}
  .nav-cta{margin-top:10px;text-align:center;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
}

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-weight:600;font-size:.95rem;transition:transform .15s ease,opacity .15s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn-primary{background:var(--accent-grad);color:#0A0E14;}
.btn-primary:hover{opacity:.92;}
.btn-outline{background:transparent;border-color:var(--border);color:var(--text);}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);}
.btn-block{width:100%;}

/* ---------------- Hero ---------------- */
.hero{padding:64px 0 40px;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  color:var(--accent);background:rgba(94,234,212,.08);
  border:1px solid rgba(94,234,212,.25);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.hero h1{margin-bottom:16px;}
.hero .subtitle{font-size:1.15rem;color:var(--text-muted);max-width:720px;margin:0 auto 14px;}
.hero .description{max-width:680px;margin:0 auto 30px;color:var(--text-faint);font-size:.98rem;}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ---------------- Tool chooser cards (home page) ---------------- */
.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:44px 0;}
@media (max-width:760px){.tool-grid{grid-template-columns:1fr;}}
.tool-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:32px;text-align:left;position:relative;overflow:hidden;
  transition:border-color .2s ease, transform .2s ease;
}
.tool-card:hover{border-color:var(--accent);transform:translateY(-3px);}
.tool-card .icon-badge{
  width:52px;height:52px;border-radius:14px;background:var(--accent-grad);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.tool-card .icon-badge svg{width:26px;height:26px;stroke:#0A0E14;}
.tool-card h3{font-size:1.35rem;margin-bottom:8px;}
.tool-card p{margin-bottom:20px;font-size:.94rem;}
.tool-card a.btn{position:relative;z-index:2;}

/* ---------------- Feature strip ---------------- */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:50px 0;}
@media (max-width:760px){.features{grid-template-columns:1fr;}}
.feature{padding:22px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);}
.feature h4{margin-bottom:6px;color:var(--text);font-size:1rem;}
.feature p{font-size:.9rem;margin:0;}

/* ---------------- Uploader / Compressor UI ---------------- */
.compressor-panel{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:28px;margin:34px 0;
}
.mode-tabs{display:flex;gap:8px;margin-bottom:22px;border-bottom:1px solid var(--border);}
.mode-tabs button{
  background:none;border:none;color:var(--text-muted);padding:10px 4px;margin-right:22px;
  font-weight:600;font-size:.95rem;border-bottom:2px solid transparent;
}
.mode-tabs button.active{color:var(--text);border-bottom-color:var(--accent);}

.dropzone{
  border:2px dashed var(--border);border-radius:var(--radius-md);
  padding:48px 20px;text-align:center;cursor:pointer;
  transition:border-color .2s ease,background .2s ease;
  background:var(--bg-alt);
}
.dropzone.dragover{border-color:var(--accent);background:rgba(94,234,212,.06);}
.dropzone .dz-icon{width:48px;height:48px;margin:0 auto 14px;stroke:var(--accent);}
.dropzone strong{color:var(--text);}
.dropzone input[type=file]{display:none;}

.settings-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px;}
@media (max-width:640px){.settings-row{grid-template-columns:1fr;}}
.field label{display:block;font-size:.85rem;color:var(--text-muted);margin-bottom:8px;font-weight:600;}
.field select, .field input[type=text]{
  width:100%;background:var(--bg-alt);border:1px solid var(--border);color:var(--text);
  padding:10px 12px;border-radius:var(--radius-sm);font-size:.95rem;
}
.slider-row{display:flex;align-items:center;gap:14px;}
input[type=range]{flex:1;accent-color:var(--accent);}
.slider-value{min-width:48px;text-align:right;font-family:'JetBrains Mono',monospace;color:var(--accent);font-weight:600;}

.file-list{margin-top:26px;display:flex;flex-direction:column;gap:12px;}
.file-item{
  display:flex;align-items:center;gap:14px;background:var(--bg-alt);
  border:1px solid var(--border);border-radius:var(--radius-md);padding:14px 16px;
}
.file-item .thumb{width:52px;height:52px;border-radius:8px;object-fit:cover;background:var(--surface-2);flex-shrink:0;}
.file-item .info{flex:1;min-width:0;}
.file-item .info .name{color:var(--text);font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.file-item .info .sizes{font-size:.8rem;color:var(--text-faint);font-family:'JetBrains Mono',monospace;}
.file-item .sizes .saved{color:var(--success);}
.progress-bar{height:6px;border-radius:3px;background:var(--border);overflow:hidden;margin-top:8px;}
.progress-bar .fill{height:100%;background:var(--accent-grad);width:0%;transition:width .2s ease;}
.file-item .dl-btn{
  background:var(--surface-2);border:1px solid var(--border);color:var(--text);
  padding:8px 14px;border-radius:999px;font-size:.82rem;font-weight:600;flex-shrink:0;
}
.file-item .dl-btn:hover{border-color:var(--accent);color:var(--accent);}
.file-item .status{font-size:.78rem;color:var(--text-faint);flex-shrink:0;width:86px;text-align:right;}

.panel-actions{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap;}
.summary-bar{
  margin-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:.88rem;color:var(--text-muted);border-top:1px solid var(--border);padding-top:16px;
}
.summary-bar strong{color:var(--success);}

/* ---------------- FAQ ---------------- */
.faq-item{border-bottom:1px solid var(--border);padding:20px 0;}
.faq-item summary{cursor:pointer;font-weight:600;color:var(--text);font-size:1.02rem;list-style:none;display:flex;justify-content:space-between;align-items:center;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:'+';font-size:1.4rem;color:var(--accent);}
.faq-item[open] summary::after{content:'−';}
.faq-item p{margin-top:12px;}

/* ---------------- Legal / static content pages ---------------- */
.prose{max-width:760px;margin:0 auto;padding:50px 0 80px;}
.prose h2{margin-top:2em;}
.prose ul{color:var(--text-muted);}
.prose li{margin-bottom:6px;}
.prose .updated{color:var(--text-faint);font-size:.85rem;margin-bottom:30px;}

/* ---------------- Footer ---------------- */
.site-footer{border-top:1px solid var(--border);background:var(--bg-alt);padding:50px 0 30px;margin-top:60px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:36px;}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr 1fr;}}
.footer-grid h5{color:var(--text);font-size:.85rem;margin:0 0 14px;text-transform:uppercase;letter-spacing:.04em;}
.footer-grid ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.footer-grid a{color:var(--text-muted);font-size:.9rem;}
.footer-grid a:hover{color:var(--accent);}
.footer-bottom{border-top:1px solid var(--border);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.8rem;color:var(--text-faint);}

/* =========================================================
   AD SLOTS
   No fixed width/height are set on purpose: drop your ad
   network's script/iframe tag inside the .ad-slot-inner div
   and it will size itself to whatever creative is served.
   ========================================================= */
.ad-label{
  font-size:.65rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--text-faint);text-align:center;margin-bottom:6px;
}
.ad-slot{display:flex;flex-direction:column;align-items:center;justify-content:center;}
.ad-slot-inner{
  display:flex;align-items:center;justify-content:center;
  background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius-sm);
  color:var(--text-faint);font-size:.75rem;min-height:60px;width:100%;
}

/* Fixed side rail ads — follow the screen, hidden on mobile/tablet */
.ad-rail{
  position:fixed;top:50%;transform:translateY(-50%);
  z-index:30;width:var(--side-ad-w);
}
.ad-rail-left{left:12px;}
.ad-rail-right{right:12px;}
@media (max-width:1400px){
  .ad-rail{display:none;}
}

/* Fixed bottom-center sticky ad — follows screen, hidden on mobile */
.ad-sticky-bottom{
  position:fixed;left:50%;bottom:10px;transform:translateX(-50%);
  z-index:35;max-width:90vw;
}
.ad-sticky-bottom .ad-slot-inner{min-height:50px;padding:4px 20px;}
@media (max-width:640px){
  .ad-sticky-bottom{display:none;}
}

/* Leaderboard 728x90 slot — appears right under header, in normal flow */
.ad-leaderboard{margin:22px auto 0;max-width:728px;}
.ad-leaderboard .ad-slot-inner{min-height:90px;}

/* Native banner slot — in-content, blends with layout */
.ad-native{margin:34px auto;max-width:var(--content-max);}
.ad-native .ad-slot-inner{min-height:100px;}

/* In-content ad slots revealed while scrolling */
.ad-in-content{margin:40px auto;max-width:var(--content-max);}
.ad-in-content .ad-slot-inner{min-height:120px;}

/* keep space so fixed rails never overlap content on ultra-wide */
@media (min-width:1400px){
  body{--rail-space: var(--side-ad-w);}
}